English verb conjugation
CAN MAD

Regular verb: mad - maded - maded

Affirmation

Simple form	V-ing form
I can mad you can mad he can mad we can mad you can mad they can mad	I can be mading you can be mading he can be mading we can be mading you can be mading they can be mading
Perfect	V-ing perfect
I can have maded you can have maded he can have maded we can have maded you can have maded they can have maded	I can have been mading you can have been mading he can have been mading we can have been mading you can have been mading they can have been mading

Negation

Simple form	V-ing form
I can't mad you can't mad he can't mad we can't mad you can't mad they can't mad	I can't be mading you can't be mading he can't be mading we can't be mading you can't be mading they can't be mading
Perfect	V-ing perfect
I can't have maded you can't have maded he can't have maded we can't have maded you can't have maded they can't have maded	I can't have been mading you can't have been mading he can't have been mading we can't have been mading you can't have been mading they can't have been mading

Interrogative form

Simple form	V-ing form
can I mad? can you mad? can he mad? can we mad? can you mad? can they mad?	can I be mading? can you be mading? can he be mading? can we be mading? can you be mading? can they be mading?
Perfect	V-ing perfect
can I have maded? can you have maded? can he have maded? can we have maded? can you have maded? can they have maded?	can I have been mading? can you have been mading? can he have been mading? can we have been mading? can you have been mading? can they have been mading?

Interro-negative form

Simple form	V-ing form
can't I mad? can't you mad? can't he mad? can't we mad? can't you mad? can't they mad?	can't I be mading? can't you be mading? can't he be mading? can't we be mading? can't you be mading? can't they be mading?
Perfect	V-ing perfect
can't I have maded? can't you have maded? can't he have maded? can't we have maded? can't you have maded? can't they have maded?	can't I have been mading? can't you have been mading? can't he have been mading? can't we have been mading? can't you have been mading? can't they have been mading?